package com.wangpeng.mapper;

import com.wangpeng.model.NColumn;
import java.util.List;
import org.apache.ibatis.annotations.Param;
import com.baomidou.mybatisplus.mapper.AutoMapper;

/**
 *
 * NColumn 表数据库控制层接口
 *
 */
public interface NColumnMapper extends AutoMapper<NColumn> {

	 List<NColumn> selectByPIdNull();

	    List<NColumn> selectAllByPId(@Param("pId") Long pid);

	    List<NColumn> selectAll();
}